M4.9 earthquake Tonga
A magnitude 4.9 earthquake struck in Tonga on Fri, Dec 23, 2022, 12:00 AM GMT+13 (11:00 UTC), 141 km (87 mi) below the surface.
A larger quake followed: M5.2 86 km W of Pangai, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2022-12-22 11:00:22 UTC
- Depth
- 140.6 km (87.4 mi), intermediate-depth
- Epicenter
- 20.328° S, 175.440° W
- Region
- Tonga
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 9.8 km horizontally, 5.6 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- From location
- Station coverage gap
- 36°
- Stations used
- 47
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 1 in the 60 days after this one and 2 in the 30 days before it.
After
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000jb1r. Read Sat, Oct 3, 2026, 6:22 AM UTC.